Toothbrush



FIG. 1 is a perspective view of a toothbrush illustrating the new design;

FIG. 2 is an end view;

FIG. 3 is a top plan view;

FIG. 4 is a side elevation view; and,

FIG. 5 is a bottom plan view.

The undisclosed side is a mirror image of the side shown and the undisclosed end is unornamented. 

The ornamental design for a toothbrush, as shown and described. 